b584c6dc758ffe5f6d37b2bbff3fd1738d7408fb04318be69fd7e60193efc90e

General

Target
2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260723-cd5lpsfb69
SHA256 b584c6dc758ffe5f6d37b2bbff3fd1738d7408fb04318be69fd7e60193efc90e
MD5 20d81fe8203e5954cdb473b3b2df1998
SHA1 69583e347e1b3aa1fb84fc4de1e6f532523c9a95
SHA512 50bf0dbd80305111fb4272602bff30230fa172f64e323e7aa553255c99404181752bac1e80e089fd95402f246c905e32ebc32929af774639b23a346e211dc3e4
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTaFHQNTrUAABy8Ehg6Udsc5:ZRpAyazIliazTaSRrURcBK6UdZ
TLSH
T1AD939D03B6D2C171F4B70A7649A8CE6107BFBD765EB18D5B3394218D46712C08E39BAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1124	CTS.exe
1452	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1124	CTS.exe
Token: SeDebugPrivilege	1452	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1124	1596	2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_20d81fe8203e5954cdb473b3b2df1998_bkransomware_elex_maze_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1124

C:\Windows\CTS.exe
C:\Windows\CTS.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1452

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 beeabe1a8042d7b35b707e40839c07ae005cfa49f77f98d2f40a376489b521e7
MD5 2ae586f53fb374f7e8a83cb30b86be64
SHA1 135bf63c53a4d10af6ff5d5f2bf87138f6dafd4b
SHA512 22839ee07d856395e759d7c544699090e11d1e1435264af4fcce1130392997f2ded260adf8cb181db65b467a0fedd89a4dbffed9c8f6aeac3c3debb1e144f93e
SSDEEP 12288:xC0DneGM/9wJNAXOb0mkjRqJ+LA9xRuHEz+5vYo3RQ7h2h7+4:DDe9IL4FQxhCv1CwK4
TLSH
T19BC412073AC2D630E0972BB245A58D10072F7D375BA28EA73784791DAC796D24F76B23
MD5 SHA1 SHA512 SSDEEP TLSH

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ZuF3dGyBswb2MYz.exe

Path C:\Users\Admin\AppData\Local\Temp\ZuF3dGyBswb2MYz.exe
Size 95KB
SHA256 e66dfa8723026acfc9d25f4140447a0b989051a9f7cdfc487a2aa65977bcb4a3
MD5 1c43b9e75684be140f0b63cd91d54f4c
SHA1 a65f82e8eb064a8dcc84b8bdbc1ebdc9d8b4d77b
SHA512 e4eaadca685c857dab5c8fd937c9a80b938a28661b468833ff732ad0d9b676467825d4f70c9db5e163c7e4d46d98283c2f05994cb661b086808ddad8aa471f36
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTx821haM2HWCAqi:ZRpAyazIliazTu21haM2HWCAqi
TLSH
T13C939E13B6D2C030F4B60A7249B8CE55066FBE765FB18D5B3384218D4A752D08E3EB6B
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads